SX-1B3H NATIONAL Transmission Shaft Bearing Bp Gmc

Review NATIONAL Transmission Input Shaft Bearing For Gmc Series Bp for GMC 1963–1965

Introducing the National SX-1B3H Transmission Shaft Bearing, an essential component for the 1963-1965 GMC PB2500 BP models. This transmission shaft bearing is engineered with precision and durability in mind, ensuring a reliable and smooth operation of your vehicle's powertrain.

The SX-1B3H Transmission Shaft Bearing is designed with a high-quality steel housing, providing excellent strength and resistance to wear and tear. The inner race of this bearing is made from heat-treated steel, ensuring optimal load capacity and durability. The outer race, on the other hand, is made from chrome steel, offering superior protection against corrosion and extending the bearing's lifespan.

The National SX-1B3H Transmission Shaft Bearing features a unique design, with a smooth, polished surface that minimizes friction and ensures a quiet operation. The bearing's sealing system is designed to prevent the intrusion of contaminants, such as water, dirt, and debris, ensuring the longevity of the bearing and the overall performance of your vehicle's powertrain.

Installation of the SX-1B3H Transmission Shaft Bearing is made easy with the inclusion of press-fit installation tool, allowing for a hassle-free and precise installation process. This bearing is also compatible with factory seals, making it a direct replacement for your original equipment transmission shaft bearing.

In summary, the National SX-1B3H Transmission Shaft Bearing is a top-quality component designed to provide optimal performance and reliability for your 1963-1965 GMC PB2500 BP. With its durable steel construction, smooth operation, and easy installation, this bearing is an excellent investment for anyone looking to maintain the performance and longevity of their classic GMC vehicle.

Buying a national SX-1B3H transmission shaft bearing for a 1963-1965 GMC PB2500 BP (hereafter referred to as the "GMC truck") can be a crucial decision for those in need of a replacement part. The following are some pros and cons that can help in making an informed decision.

1. OEM (Original Equipment Manufacturer) compatibility: National is a well-known auto parts manufacturer, and this specific part, SX-1B3H, is designed to fit and function exactly like the original equipment in the GMC truck.

2. High-quality materials: National uses premium materials in manufacturing their parts, ensuring durability and longevity.

3. Wide availability: National parts are readily available at various auto parts stores and online retailers, allowing for convenient purchasing.

1. Cost: National parts may be more expensive than aftermarket alternatives. However, the cost is justified by the high quality and OEM fitment.

2. Potential shipping delays: Depending on the supplier, there could be delays in receiving the part, especially if it needs to be ordered from a distributor or shipped from overseas.

3. Installation complexity: Installing the new transmission shaft bearing may require specialized tools and knowledge, potentially incurring additional labor costs.

The decision to buy a National SX-1B3H transmission shaft bearing for a 1963-1965 GMC PB2500 BP ultimately comes down to personal priorities. If you value the assurance of an OEM fitment and high-quality materials, the National part is an excellent choice. However, if cost is a primary concern, you may want to consider aftermarket alternatives. Ultimately, the investment in a new transmission shaft bearing is essential to ensure the continued reliability and safety of your GMC truck.

Details:

National transmission input shaft bearing for 1963-1965 Gmc PB2500 series bp: status: in stock.

specifications differentialsdepo:

• for makes: Gmc
• for years: 1963–1965
• brand: National
• mpn: Sx-1b3h
• placement on vehicle: Transmission Bearings
• type: Manual Transmission Input Shaft Bearing
• item length: 4.380
• manufacturer warranty: 1 Year
• ipn: C678 23-8
• compatible model: Pb2500 Series
• compatible year: 1965 1964 1963
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine National Manual Transmission Input Shaft Bearing

returns differentialsdepo:

• time: 30 days
• policy: returns accepted
• paid by: seller

seller differentialsdepo:

• rating: 99.2%
• city: indianapolis, indiana
• # reviews: 598716

offer differentialsdepo:

• started: november 29, 2025
• options: ship-to-home
• price: $116.44
• item condition: New
• availability: in stock
• sold #: 12
• in stock #: 1

payments differentialsdepo:

• credit card: mastercard
• other
• wallet: apple-pay

shipping differentialsdepo:

• service: standard, expedited
• class: standard, expedited
• type: fixed
• transit: 4-7 days

general differentialsdepo:

• category: Auto Parts > Transmission Drivetrain > Differentials, Assemblies > Additional